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- Title
Effect of GBA Mutations on Phenotype of Parkinson’s Disease: A Study on Chinese Population and a Meta-Analysis.
- Authors
Zhang, Yuan; Sun, Qi-ying; Zhao, Yu-wen; Shu, Li; Guo, Ji-feng; Xu, Qian; Yan, Xin-xiang; Tang, Bei-sha
- Abstract
GBA has been identified as a genetic risk factor for PD. Whether the clinical manifestations of PD patients with or without GBA mutations are different has still not reached a consensus. We firstly detected the GBA mutation L444P in 1147 Chinese PD patients and simultaneously evaluated their corresponding clinical data. Then we compared the phenotypes between 646 PD patients with GBA mutations and 10344 PD patients without GBA mutations worldwide through meta-analysis. Through the method of meta-analysis, there was significant difference in age at onset (MD = −3.10 [95% CI: −4.88, −1.32]), bradykinesia as an initial symptom (OR = 1.49 [95% CI: 1.15, 1.94]), having family history (OR = 1.50 [95% CI: 1.18, 1.91]), and dementia (OR = 3.21 [95% CI: 1.97, 5.24]) during the comparison between PD patients with and without GBA mutations. While, in the aspect of tremor as an initial symptom (OR = 0.81 [95% CI: 0.64, 1.03]), the severity of motor symptoms such as H-Y (MD = 0.06 [95% CI: −0.06, 0.17]) and UPDRS-III (MD = 1.61 [95% CI: −0.65, 3.87]) and having dyskinesia (OR = 1.60 [95% CI: 0.90, 2.84]) during the comparison between the two groups revealed no statistical differences. Our results suggested that the phenotypes of PD patients with GBA mutations are different from GBA noncarriers.
- Subjects
CHINA; PARKINSON'S disease &; genetics; CHI-squared test; CONFIDENCE intervals; DATABASES; INFORMATION storage &; retrieval systems; MEDICAL databases; MEDICAL information storage &; retrieval systems; MEDLINE; META-analysis; GENETIC mutation; ONLINE information services; RESEARCH funding; PHENOTYPES; SYSTEMATIC reviews; ODDS ratio
- Publication
Parkinson's Disease (20420080), 2015, Vol 2015, p1
- ISSN
2090-8083
- Publication type
Article
- DOI
10.1155/2015/916971